Modularity as a fish (Xenotoca eiseni) views it:: Conjoining geometric and nongeometric information for spatial reorientation

被引:157
作者
Sovrano, VA
Bisazza, A
Vallortigara, G
机构
[1] Univ Padua, Dept Gen Psychol, I-35131 Padua, Italy
[2] Univ Trieste, Dept Psychol, I-34127 Trieste, Italy
[3] Univ Trieste, BRAIN Ctr Neurosci, I-34127 Trieste, Italy
来源
JOURNAL OF EXPERIMENTAL PSYCHOLOGY-ANIMAL BEHAVIOR PROCESSES | 2003年 / 29卷 / 03期
关键词
GALLUS-GALLUS; TELEOST FISH; HIPPOCAMPUS; MEMORY; REPRESENTATION; FLEXIBILITY; ENVIRONMENT; LANDMARKS; COGNITION; INSIGHTS;
D O I
10.1037/0097-7403.29.3.199
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
When disoriented in a closed rectangular tank, fish (Xenotoca eiseni) reoriented in accord with the large-scale shape of the environment, but they were also able to conjoin geometric information with nongeometric properties such as the color of a wall or the features provided by panels located at the corners of the tank. Fish encoded geometric information even when featural information sufficed to solve the spatial task. When tested after transformations that altered the original arrangement of the panels, fish were more affected by those transformations that modified the geometric relationship between the target and the shape of the environment. Finally, fish appeared unable to use nongeometric information provided by distant panels. These findings show that a reorientation mechanism based on geometry is widespread among vertebrates, though the joint use of geometric and nongeometric cues by fish suggest that the degree of information encapsulation of the mechanism varies considerably between species.
引用
收藏
页码:199 / 210
页数:12
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